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3 years ago

Simplify the expression by combining like terms. 15+12−5+4−7

Mathematics

2 answers:

ss7ja [257]3 years ago

6 0

Answer:

$19$

Step-by-step explanation:

$15+12-5+4-7$

Add or subtract.

$15+7+-3$

$15+4$

$=19$

vovangra [49]3 years ago

6 0

Steps to solve:

15 + 12 - 5 + 4 - 7

~Add

27 - 5 + 4 - 7

~Subtract

22 + 4 - 7

~Add

26 - 7

~Subtract

Best of Luck!

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A wall is 15 ft. High and 10 ft. From a house. Find the length of the shortest ladder which will just touch the top of the wall

Talja [164]

Answer:

the length of the shortest ladder is 11.41 feet

Step-by-step explanation:

The computation of the length of the shortest ladder is shown below:

AB^2 = AC^2 + BC^2

AB^2= (10)^2 + (5.5)^2

AB^2= 100 + 30.25

AB^2 = 130.25

AB = 11.41 feet

hence, the length of the shortest ladder is 11.41 feet

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2 years ago

What is the slope-intercept form of (-2,1) and (4,6)

mash [69]

Answer:

y = $\frac{5}{6}$ x + $\frac{8}{3}$

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

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m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 2, 1) and (x₂, y₂ ) = (4, 6)

m = $\frac{6-1}{4+2}$ = $\frac{5}{6}$ , thus

y = $\frac{5}{6}$ x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (4, 6 ), then

6 = $\frac{20}{6}$ + c ⇒ c = 6 - $\frac{20}{6}$ = $\frac{16}{6}$ = $\frac{8}{3}$

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4 0

3 years ago

Let g(x)=-5x+2 with g(-1)

masha68 [24]

Replace x with -1.

G(-1) = -5(-1) + 2

= 5 + 2

= 7

I hope this Helps!

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2 years ago

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Mkey [24]

Answer:

See explaination

Step-by-step explanation:

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please kindly see attachment for the step by step solution of the given problem.

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2 years ago

A set of numbers is shown below: {0, 0.6, 2, 4, 6} Which of the following shows all the numbers from the set that make the inequ

Lorico [155]

The given equality hold true when x = 2.

Put x = 2 in inequality.

2(2) + 3 = 4+3 = 7 = R.H.S.

For x = 4 and 6, L.H.S(2x+3) is greater than 7.

Hence for x = 2, 4 and 6, the above inequality holds true.

Hope this helps!

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2 years ago

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